Animal pictures of the week: 31 August 2012

This is Trezo Je, one of four leucistic alligators at Gatorland in Orlando, Florida. There are only 15 known leucistic alligators in the world, according to Tim Williams, the park's media relations officer. Leucistic alligators are known for their white skin and blue eyes.Picture: Gainesville Sun /Landov / Barcroft Media